Home / 131,220,672.60-196,831,008.90-40,332,451.80

Finding the Fourth Proportional to 131,220,672.60, 196,831,008.90 and 40,332,451.80

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Solution

The fourth proportional to 131,220,672.60, 196,831,008.90 and 40,332,451.80 is: 60,498,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,672.60 : 196,831,008.90 = 40,332,451.80 : x
  2. Step 2: Convert to fraction form
    131,220,672.60/196,831,008.90 = 40,332,451.80/x
  3. Step 3: Cross multiply
    131,220,672.60x = 196,831,008.90 × 40,332,451.80
  4. Step 4: Simplify right side
    131,220,672.60x = 7,938,677,179,204,621
  5. Step 5: Solve for x
    x = 7,938,677,179,204,621/131,220,672.60
  6. Step 6: Final answer
    x = 60,498,677.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.